RAR-eSR-qLR-OV-LB-LS-ref-[2.7-5.5]-[0.55-3.3].07e, as any Power Management Virtual Component designed by Dolphin Design, is readily retargetable toward any submicron CMOS process.

Applicable to automotive, industrial. Designed for extended mission profile (aging report available)

Key Benefits

  • The retention Alternating Regulator (RAR-eSR-qLR-OV-LB-LS-ref-[2.7-5.5]-[0.55-3.3].07e) embeds two regulator Virtual Components called eSR-Tugela-OV-LB-Bu-ref-[2.7-5.5]-[0.55-3.3].06 and qLR-Aubrey-OV-ref-[2.7-5.5]-[0.55-3.3].05.
  • Manages booting and transitions between embedded regulators.
  • Enables high power and low power operating modes.
  • Embedded power pads with ESD protection.
  • Designed with standard 3.3 V and core transistors.
  • Compliant with Maestro R1.1 (and later) (Patented solution to build Activity Control Units)
  • Integrated Local Supply Monitoring (LSM)
  • Embedded level-shifter with isolation capabilities

Key Features

Minimum value
Typical value
Maximum value
Input Voltage
- 2.7 V 5.5 V
Output Voltage
- 0.55 V 3.3 V
Output current configuration
- - 100 mA;200 mA -


  • Automotive
  • Bluetooth
  • Cellular IoT
  • GNSS
  • Hearing aids
  • NB-IoT
  • Smart Headset
  • Smart Speaker
  • TWS Earpods
  • Voice-controlled devices
  • Voice Assistant
  • WiFi

Key Performances

  • Support of input voltage from 2.7V to 5.5V (Li-Ion, USB supplies)
  • Programmable output voltage from 0.55V to 3.3V

Technical information

  • Technology: TSMC 40 uLP